475 Open source projects that are alternatives of or similar to eth-sdk

An OpenZeppelin starter kit focused on GSN.

🔌 Ethereum Dapp Basic Typescript Starter

OpenST Platform provides an interface to tokenise mainstream consumer applications with crypto-assets on Ethereum [deprecated in favour of openst.js and mosaic.js]

Alice smart contracts

A Universal Ethereum Provider Client

Contracts for FundRequest (platform, token, crowdsale)

A programming language for stack-based smart contract VMs.

Output Ethereum contract sizes with Hardhat 📐

A boilerplate for Ethereum dapps.

Drop-in Access Control via NFT Ownership

Glosseta is an open-source glossary meant to help people explore and learn the terminology behind web3

Matic network mainnet v1 launch

A complete template for 2022 focused on around React, Postgres and various web3 integrations. You can use the template to make a website, a web application, a hybrid decentralized web application, or even a DAO.

dApp for creating and interacting with DAOs

🗓 Clone eventbrite on Ethereum, built in Solidity, TruffleJS, Web3js and React/Redux.

Peerism's Peer.ai API built with Truffle, Node.js, Express.js, Solidity, and Ethereum TestRPC

⚛️Vortex Components is a collection of React Components that helps developers build Ethereum Dapps powered by the Vortex Redux Store.

Small app for huge community growth

Real-time P2P messenger using go-ipfs pubsub. TUI. End-to-end encrypted texting & file-sharing. NAT traversal.

The platform that MetaGame will be played on aka MetaOS - an open source framework for running decentralized societies. Currently featuring MetaSys, MyMeta Profiles, Dashboard, MetaMenu & Quests

DEPRECATED: remove EVM from lambda chain

Contracts for Swap, Swear and Swindle. Swap is a protocol for p2p accounting. This is the basis for Swarm’s incentivization model.

Splunk Connect for Ethereum

IPFS Blog & News

Smart contracts for decentralized rentals of vehicles.

api.openfuture.io

CLI application for verifying Solidity contracts on Etherscan

CLI and Node.js library for Ethereum HD Wallet derivations from mnemonic

Production-ready code for an NFT Collection sale and minting on Ethereum, Polygon, Arbitrum or Binance Smart Chain

Common useful JavaScript snippets for geth

Pluggable auth infrastructure for Web3 wallets and dapps

Encrypted peer-to-peer system for data security. Own data, own privacy. (Rust+Flutter)

Hive API server (offloads most API calls from hived) implemented using Python+SQL

Making sense of web3 & crypto. Introduction to key concepts and ideas. Rigorous, constructive analysis of key claims pro and con. A look at the deeper hopes and aspirations.

L2 solution for seriously fast decentralized applications for the Dash network

USENET-inspired, uncensorable, decentralized internet discussion system running on IPFS & OrbitDB

一个很受欢迎的用java和android app类库web3j开发区块链以太坊dapp和智能合约的教程。内容涉及以太坊核心概念，如账户管理、状态与交易、合约开发与交互、过滤器和事件等，也详细说明如何用web3j开发接口与以太坊交互。

Ether-SWR is a React hook that fetches Ethereum data. It streamlines the chores to keep the internal state of the Decentralized App (DApp), batches the RPC calls to an Ethereum node and cache the responses

The first-ever coworking metaverse

Distributing POAPs to DAOs in discord, twitter, and more.

The official network explorer for Wavelet.

A Simple, Powerful, Modular Library for Bitcoin Blockchain As a Service(BAAS)

A quick online tool to abi-encode and abi-decode constructor arguments used in ethereum's solidity. https://adibas03.github.io/online-ethereum-abi-encoder-decoder/

Open source SHA-512 loginless bitcoin wallet

This is a code repository for the corresponding video tutorial. In this video, we're going to build a Web 3.0 React Solidity Blockchain Application

Golang client for compound.finace api and smart contracts

在本地网络发布一个名叫 YuTou 的 token

Implements proof of historical data possession on the Ethereum blockchain

ENS+IPFS Firefox plugin by Almonit

This repo is less actively maintained now but I still monitor it for PR's.

The Graph Hub is a free, open-source and community-driven knowledge base and documentation initiative on The Graph Protocol. The vision of The Graph Academy is to establish a single go-to-resource for essential information about The Graph Protocol.

davekiss.com/ethereum-web3-node-tutorial

Simple ToDo app using window.ipfs

CLI to sync transactions and Truffle artifacts with Ethernal.

Escrow contract

Blocknative Assist widget for blockchain usability

New version of POA Network consensus contracts is here: https://github.com/poanetwork/poa-network-consensus-contracts

100 Days of Ðapps

以太坊开发DApp实战教程——用区块链、星际文件系统（IPFS）、Node.js和MongoDB来构建电商平台

Subspace Network reference implementation